Some people harbour an awkward clash of feelings - homosexual attraction on the one hand and shame or embarrassment about that attraction on the other. It is well known that the mind struggles to sustain conflicting views.

Even though disciplined sleeping habits and the adrenalin of live radio ensures that we are very awake while on duty, there is evidence of a phenomenon called circadian desynchronosis which causes one's brain to function slowly at those times of day when it thinks it should be asleep, regardless how wide awake the body is.

Black Friday is not another bad hair day in Wall Street. It's the term used by American retailers to describe the day after the Thanksgiving Holiday, seen as the semi-official start of Christmas shopping season.

For me, the main principle for broadcasters has to be that if people stand to benefit from an interview, they should be prepared to face some downside as well.

Personally, I don't see old economics and behavioural economics as opposed. It is useful to assume people are rational as a good approximation to their long term behaviour, but it would be unwise not to think how in practice their behaviour may deviate from that simplifying assumption.

Britain, however, has ended up specializing in the ones you don't see as much of: defense aerospace, making drive shafts for cars, pills and drugs, designing chips that go into 94 percent of the world's mobile phones.

Interestingly, human irrationality is a hot topic in economics at the moment. Behavioural economics it's called, on the cusp of economics and psychology.